在学习C#编程中,准备写一个窗口socket程序,服务器端接收数据,但是运行到Accept()后就卡住了,请大神指导一下
编程使用的VS2019
程序代码如下:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WinFormsApp2
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void Button1_Click(object sender, EventArgs e)
{
listBox1.Items.Clear();
if (textBox1.Text == null && textBox2.Text == null)
{
listBox1.Items.Clear();
listBox1.Items.Add("请输入IP和端口!");
}
else if (textBox1.Text == "192.168.1.3" && textBox2.Text == "52000")
{
listBox1.Items.Clear();
listBox1.Items.Add("IP和端口已输入!");
listBox1.Items.Add(textBox1.Text);
listBox1.Items.Add(textBox2.Text);
int port = Convert.ToInt32(textBox2.Text);
string host = textBox1.Text;
//MessageBox.Show(host);
IPAddress ip = IPAddress.Parse(host);
IPEndPoint ipe = new IPEndPoint(ip, port);
Socket sSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sSocket.Bind(ipe);
sSocket.Listen(3);
listBox1.Items.Add("监听已经打开,请等待");
//receive message
Socket serverSocket = sSocket.Accept();
listBox1.Items.Add("连接已经建立");
string recStr = "";
byte[] recByte = new byte[4096];
while (true)
{
int bytes = serverSocket.Receive(recByte, recByte.Length, 0);
recStr += Encoding.ASCII.GetString(recByte, 0, bytes);
//send message
listBox1.Items.Add("服务器端获得信息:{0}" + recStr);
string sendStr = "send to client :hello";
byte[] sendByte = Encoding.ASCII.GetBytes(sendStr);
serverSocket.Send(sendByte, sendByte.Length, 0);
serverSocket.Close();
sSocket.Close();
}
}
listBox1.Items.Clear();
listBox1.Items.Add("端口输入错误,请重新输入!");
}
}
}